---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24935 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 614 10479 4 4895 15031 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:6f:02:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84797sec preferred_lft 84797sec inet6 fe80::f816:3eff:fe6f:2ae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:64:db:55:15:7a brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-24935) 03/01/26 _x86_64_ (4 CPU) 09:54:28 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:03 3.94 0.07 3.68 0.19 6.87 583.73 300.28 10:20:01 22.53 0.65 19.89 1.99 25.60 3997.29 4352.09 Average: 13.19 0.36 11.75 1.08 16.20 2283.38 2317.72 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:03 9437992 12593204 3369624 20.58 116996 3198724 3603600 20.68 649708 5935948 388 10:20:01 10702372 15356804 599876 3.66 141008 4615924 1122288 6.44 1016156 4247320 608772 Average: 10070182 13975004 1984750 12.12 129002 3907324 2362944 13.56 832932 5091634 304580 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:03 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 10:10:03 ens3 10.69 8.26 37.51 2.36 0.00 0.00 0.00 0.00 10:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 516.96 516.96 491.84 491.84 0.00 0.00 0.00 0.00 10:20:01 ens3 48.45 37.20 470.95 17.57 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 257.71 257.71 245.08 245.08 0.00 0.00 0.00 0.00 Average: ens3 29.49 22.67 253.33 9.93 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-24935) 03/01/26 _x86_64_ (4 CPU) 09:54:28 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:03 all 48.62 0.00 0.71 0.02 0.08 50.58 10:10:03 0 39.67 0.00 0.64 0.03 0.08 59.59 10:10:03 1 59.49 0.00 0.86 0.01 0.08 39.55 10:10:03 2 37.61 0.00 0.65 0.03 0.08 61.63 10:10:03 3 57.73 0.00 0.68 0.01 0.08 41.50 10:20:01 all 52.98 0.00 1.42 0.18 0.09 45.34 10:20:01 0 48.46 0.00 1.35 0.35 0.09 49.74 10:20:01 1 75.25 0.00 1.33 0.06 0.10 23.26 10:20:01 2 43.22 0.00 1.58 0.06 0.08 55.06 10:20:01 3 45.03 0.00 1.39 0.23 0.08 53.27 Average: all 50.79 0.00 1.06 0.10 0.08 47.97 Average: 0 44.04 0.00 0.99 0.19 0.08 54.70 Average: 1 67.33 0.00 1.10 0.04 0.09 31.45 Average: 2 40.40 0.00 1.11 0.05 0.08 58.36 Average: 3 51.41 0.00 1.03 0.12 0.08 47.36